#include <unordered_map>
#include <iostream>
#include "Student.hpp"

template<typename K, typename V, typename Hash, typename Pred>
void print(std::unordered_map<K,V,Hash,Pred> s) {
  for(auto it = s.cbegin(); it!=s.cend(); it++) 
    std::cout << it->first << " -> " << it->second << std::endl;
}

struct HashByAEM {
  size_t operator()(const Student& st) const {
    std::hash<int> hash_int;
    return hash_int(st.getAEM());
  }
};

struct EqualToByAEM {
  bool operator() (const Student& st1, const Student& st2) const {
    return st1.getAEM() == st2.getAEM();
  }
};

int main(int argc, char *argv[]) {
  // map students to their address
  std::unordered_map<Student, std::string, HashByAEM, EqualToByAEM> students;
  
  std::pair<Student,std::string> peter_pan_pair(Student("Peter Pan", 1234), std::string("Wendy House, Neverland"));
  
  std::pair<Student,std::string> mickey_mouse_pair = make_pair(Student("Mickey Mouse", 1235), std::string("Walt Disney World Communications, P.O Box 10040, Lake Buena Vista, Florida 32830-0040 "));
  
  students.insert( peter_pan_pair );
  students.insert( mickey_mouse_pair );
  students.emplace( Student("Minie Mouse", 1240), std::string("Walt Disney World Communications, P.O Box 10040, Lake Buena Vista, Florida 32830-0040 "));
  
  print(students);
  
  return 0;
}